#define _CRT_SECURE_NO_WARNINGS 1
#include<iostream>
void main()
{
	unsigned a(0xab), b(20);
	a &= b;
	a ^= a;
	cout << a << "\t" << b << endl;
	int x(-3), y(5);
	x >> y;
	x <<= y;
	x = y ^ ~y;
	y &= ~x + 1;
	cout << x << "\t" << y << endl;
}